How far is Mount Airy, MD from Greenbelt, MD?
The driving distance from Mount Airy, MD to Greenbelt, MD is about 45 miles (72.5 km), with a travel time of about 00h 50m by car.
- The straight-line flight distance is about 29.7 miles (47.8 km).
- For a round trip, plan for roughly 01h 40m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 00h 50m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Town in Maryland, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers Likely
Rain Showers Likely
Driving Route Map
The map below follows the saved road route between Mount Airy and Greenbelt.
Turn-by-Turn Driving Directions
Step-by-step road directions between Mount Airy and Greenbelt.
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1
Start on Veterans Way
36 m · 10 sec · Veterans Way
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2
Turn left onto Center Street
32 m · 10 sec · Center Street
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3
Turn left onto South Main Street
1.1 mi · 2 min · South Main Street
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4
Continue on South Main Street
716 ft · 14 sec · South Main Street
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5
Turn right onto Ridge Road
1.1 km · 1 min · Ridge Road
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6
Continue on Ridge Road
115 m · 14 sec · Ridge Road
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7
Take the exit slight right
2734 ft · 1 min
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8
Merge slight left
7.6 mi · 8 min
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9
Continue straight
4 mi · 4 min
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10
Take the exit slight right toward MD 32: Sykesville, Clarksville
1927 ft · 41 sec
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11
Keep slight right
1059 ft · 26 sec
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12
Merge slight left onto Sykesville Road
8.1 mi · 11 min · Sykesville Road
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13
Continue on Patuxent Freeway
11.5 mi · 16 min · Patuxent Freeway
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14
Take the exit slight right toward Baltimore Washington Parkway South, Washington
1.1 km · 1 min
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15
Merge slight left onto Baltimore-Washington Parkway
9.5 mi · 13 min · Baltimore-Washington Parkway
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16
Take the exit slight right toward MD 193: Greenbelt, NASA Goddard, U.S. Park Police
1092 ft · 27 sec
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17
Turn right onto Southway
1746 ft · 49 sec · Southway
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18
Turn right onto Crescent Road
2062 ft · 56 sec · Crescent Road
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19
Arrive at your destination
0 m · 1 sec · Crescent Road
Car Route Details
A richer read on the saved driving route between Mount Airy and Greenbelt.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Patuxent Freeway
Continue on Patuxent Freeway
11.5 mi · 00h 16m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Rain Showers Likely leaving Mount Airy and Rain Showers Likely near Greenbelt.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Mount Airy to Greenbelt?
The road trip is about 45 miles (72.5 km) and usually takes 00h 50m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Brookeville is a useful midpoint, sitting about 22.7 miles from Mount Airy and 22.4 miles from Greenbelt.
How much longer is the road route than the straight-line distance?
The direct path is about 29.7 miles (47.8 km), while the road route adds roughly 15.3 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 4:50 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.74 one way or $13.48 round trip. Estimated CO2 is about 14.1 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers Likely around Mount Airy and Rain Showers Likely near Greenbelt.
Stop Ideas Near Brookeville
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Griffith Park at City Hall
Gaithersburg City Hall
Laurel City Office
City of Rockville City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Brookeville.
Rockville station
New Carrollton station
BWI Rail Station
Washington Union Station
Flight Path Map
This map shows the direct air route between Mount Airy and Greenbelt. Straight-line distance: 29.71 mi (47.82 km).
#1 Mount Airy
City in Surry County, North Carolina, United States
| Population | 9,502 |
| Coordinates | 39.3762100, -77.1547000 |
| Altitude | 238 |
| Country | United States |
#2 Greenbelt
City in Prince George's County, Maryland, United States
| Population | 23,229 |
| Coordinates | 39.0045500, -76.8755300 |
| Altitude | 48 |
| Country | United States |
End: Crescent Road (-76.875555, 39.004523)
Estimated Travel Time
Distance: 73 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 30m |
| 40 mph (64.37 km/h) | 01h 07m |
| 50 mph (80.47 km/h) | 00h 54m |
| 60 mph (96.56 km/h) | 00h 45m |
| 70 mph (112.65 km/h) | 00h 38m |
| 80 mph (129 km/h) | 00h 33m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.24 | $6.74 | $13.48 |
| Mid-grade | $4.84 | $7.70 | $15.40 |
| Premium | $5.15 | $8.18 | $16.36 |
| Diesel | $6.36 | $10.12 | $20.23 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Maryland · Oct 15, 2026